ac-heatert-blower motor not working on 2001 Mercury Grand Marquis

stoped working days latter came back on then stoped for symble on dash does not light up till i rotate thumb wheel controler to only one size or speed symble-wont working fine after time you can feel cool air and hear rpm changes.mabey a control issue or protection.i dont know anything aboat these things with newer cars-ineed help.

al piazza

Asked by for the 2001 Mercury Grand Marquis
Need to have your Climate Control scanned and its data stream checked. this is a computer controlled system and this is the most reliable method to deal with it. Good Luck!